/*
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package com.client;

import java.util.Stack;
/**
 *
 * @author TRAN VAN NHAN
 */
class PointMap {
    public int x;
    public int y;
    PointMap(int a, int b) {
			x = a;
			y = b;
    }
    public void printPoint() {
        System.out.print("("+x+","+y+")");
    }
}
public class ResultStruct {
    public int value;
    public Stack<PointMap> path;
}
